The PENTAX USB DISK Device is likely referring to a USB storage device or USB flash drive made by PENTAX, typically used for storing images, videos, or other types of data. PENTAX is known for making cameras, lenses, and other imaging products, and this device might be a USB drive used for transferring files between a PENTAX camera and a computer, or it could be a general-purpose USB storage device branded by PENTAX.

In most cases, USB storage devices like this don't require specific drivers for installation, because modern operating systems like Windows typically include the necessary built-in drivers for USB mass storage devices (e.g., USB flash drives, external hard drives). However, if you encounter issues with the device not being recognized by Windows or require a special driver, here's how you can address the situation.